conclusive

word

Definition

Showing that something is definitely true or certain, leaving no doubt. Something conclusive ends a discussion or proves a point completely.

Usage & Nuances

Most common in formal, academic, or legal contexts. Collocates with 'evidence', 'proof', 'result', and 'test'. Implies absolutely no doubt remains. Not used for casual guesses—use 'clear' or 'obvious' in everyday speech.

Example Sentences

Those photos aren’t conclusive—we still have doubts about what really happened.

natural

The scientist found conclusive proof of the new species.

basic

There is no conclusive evidence that he was there.

basic

The results of the test were conclusive.

basic

We thought the debate would go on, but his argument was conclusive and ended it.

natural

I need conclusive answers from the doctor, not just guesses.

natural